Results about Algorithm::Permute Installation: Microsoft Windows [Version 6.1.7600] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C:\Users\DR SUPRIYO>cpan Algorithm::Permute Set up gcc environment - 3.4.5 (mingw-vista special r3) Going to read 'C:\Perl\cpan\Metadata' Database was generated on Tue, 26 Feb 2013 12:07:54 GMT Algorithm::Permute is up to date (0.12). #### #!/usr/bin/perl use warnings; use strict; use Algorithm::Permute; my @a=qw/ A B C /; # You can create r of n objects permutation generator, where r <= n my $p=new Algorithm::Permute(@a,2); while (@res = $p->next) { print join(", ", @res), "\n"; } exit; # Script ends here #### RESULTS of try5.pl in cmd: C:\Users\DR SUPRIYO>cd desktop C:\Users\DR SUPRIYO\Desktop>try5.pl Can't locate loadable object for module Algorithm::Permute in @INC (@INC contain s: C:/Perl/site/lib C:/Perl/lib .) at C:\Users\DR SUPRIYO\Desktop\try5.pl line 4 Compilation failed in require at C:\Users\DR SUPRIYO\Desktop\try5.pl line 4. BEGIN failed--compilation aborted at C:\Users\DR SUPRIYO\Desktop\try5.pl line 4. C:\Users\DR SUPRIYO\Desktop>